199998

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 24

約数和(自身を含む): 445536

約数和(自身を除く): 245538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 271, 369, 542, 738, 813, 1626, 2439, 4878, 11111, 22222, 33333, 66666, 99999, 199998]

約数ペア:

[(1, 199998), (2, 99999), (3, 66666), (6, 33333), (9, 22222), (18, 11111), (41, 4878), (82, 2439), (123, 1626), (246, 813), (271, 738), (369, 542)]